基于FPGA的扩频测距快速捕获仿真研究  

Simulation of Fast Capturing for Distance Finding by the Spread Spectrum Technique Based on FPGA

作　　者：刘智芳[1] 

机构地区：[1]西安邮电学院电子工程学院,陕西西安710121

出　　处：《电子科技》2010年第12期58-59,66,共3页Electronic Science and Technology

摘　　要：分析了扩频测距理论原理与优势,给出了一种基于FPGA的快速扩频测距模型。通过运用FFT IP Core计算收发序列间的互相关函数,可以实现快速捕获。仿真结果表明,该方法具有速度快、误差小、设计灵活、效率高的特点。This article introduces the principle and superiority of the spread spectrum distance finding and illustrates a model based on FPGA.It achieves rapid spread spectrum range finding by calculating the autocorrelation function by FFT IP Core.The result of simulation indicates that this program has the advantages of high speed,high efficiency,flexible design and small error.

关 键 词：快速扩频测距 FPGA FFT IP核 互相关函数 

分 类 号：TN79[电子电信—电路与系统]